${\mathrm{Sr}}_4{\mathrm{Al}}_2{\mathrm{O}}_7$: A New Sacrificial Layer with High Water Dissolution Rate for the Synthesis of Freestanding Oxide Membranes

Leyan Nian, Haoying Sun, Zhichao Wang +9

Freestanding perovskite oxide membranes have drawn great attention recently since they offer exceptional structural tunability and stacking ability, providing new opportunities in…